{"currency_note":"Priced in sats when billing exists; the free tier has no payment step.","electrum_note":"the Electrum endpoint (electrum.blocknil.com:50002) is free and unkeyed today: the Electrum protocol has no field for a key. Per-account Electrum tokens arrive with billing, at which point the scope on a key will start to matter.","how_to_start":"POST /v1/accounts — no payment step, no email required","tiers":[{"best_for":"building against the API and evaluating the data","burst_per_minute":120,"name":"free","price":0,"requests_per_day":1000,"scopes":["api"]},{"best_for":"production use; top-ups arrive with billing","burst_per_minute":120,"name":"pro","price":"not priced yet","requests_per_day":100000,"scopes":["api"]}]}